Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Sichuan Wei Keqi Biological Technology Co., Ltd.
Telephone028-81700200 18116577057
Websitehttps://www.weikeqi-biotech.com/
Hubei Shishun Biotechnology Co. Ltd
Telephone027-59223025 15107168801
Websitehttp://www.ss-bio.com/
Hubei Chenghai Chemical Co., Ltd
Telephone027-59220433 18327245847
Websitehttps://www.hbchenghai.com
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.catorm.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichem.com/
Shaanxi Didu New Materials Co. Ltd
Telephone+86-89586680 +86-13289823923
Websitehttps://www.dideu.com/en/
